However, McRae, aware that three of Widnes' four home defeats have been against St Helens, Bradford and Wigan, said: "In all three games against the big sides they've been in a position to win, so I don't read too much into this."

A Widnes victory would see them draw level with Hull on points. McRae is not surprised at their success in their first season following promotion. McRae said: "It doesn't surprise me that they are sixth in the table.

"They have enthusiasm and spirit. They are prepared to chase kicks and do the hard yards. They've been a model of consistency this year."

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Neil Kelly, the Widnes coach, has to overcome the setback of losing two experienced players in Steve Carter and Ryan McDonald through injury with Sean Richardson starting in the pack

Kelly said "We expect to win our home matches regardless of the opposition. We have been unlucky with some narrow defeats so far but I'm sure if we can continue to show application, the next victory will not be far away."

Jason Smith is fit for Hull and moves back to loose forward with Tony Smith starting his first match of the season at scrum-half. However, Lee Jackson (flu) is out and Andy Last makes his first appearance of the season. Richard Horne is at full-back for the injured Steve Prescott.

Meanwhile, Widnes have released Blake Cannova, who has made only one appearance since signing from Sydney City in the close season.

Bradford, who have won all 19 Super League games since moving to Valley Parade last season, should continue to top the league by defeating Halifax at home in tonight's other match.

Bradford's only home defeat in the last two years was against Leeds, in the Challenge Cup in February. Bradford lost against the same opposition at Headingley last week.

Brian McDermott, Bradford's prop, said: "We are proud of our home record and the Challenge Cup defeat hurt us because we have made it a bit of a fortress."

Scott Naylor makes his 100th appearance for Bradford in place of Lee Gilmour (broken hand) at centre. Jason Flowers continues to deputise for Daryl Cardiss (neck) at full-back.

Warrington have signed Michael Watts, 25, on a month's loan from Chorley. He makes his debut at full-back against Castleford on Sunday. Graham Appo, who joined on Wednesday, will be among the substitutes.

Dewsbury have signed Brad Hepi, whose former clubs include Hull and Castleford.